×

Rubidium
Rubidium

Promethium
Promethium



ADD
Compare
X
Rubidium
X
Promethium

Atomic Structure of Rubidium and Promethium

Atomic

Atomic Number

3761
3 117
👆🏻

Electron Configuration

[Kr] 5s1
[Xe] 4f5 6s2

Crystal Structure

Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)

Crystal Lattice

Atom

Number of Protons

3761
3 117
👆🏻

Number of Neutrons

4884
4 285
👆🏻

Number of Electrons

3761
3 117
👆🏻

Radius of an Atom

Atomic Radius

248.00 pm183.00 pm
0 348
👆🏻

Covalent Radius

220.00 pm199.00 pm
0 260
👆🏻

Van der Waals Radius

303.00 pm236.00 pm
0 348
👆🏻

Atomic Weight

85.47 amu145.00 amu
6.94 294
👆🏻

Atomic Volume

55.90 cm3/mol22.39 cm3/mol
1.39 71.07
👆🏻

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

9.47 (-eV)44.10 (-eV)
0 392.42
👆🏻

Lattice Constant

558.50 pm-
0 891.25
👆🏻

Lattice Angles

π/2, π/2, π/2
-

Lattice C/A Ratio

1.591.63
0.423 1.9
👆🏻